be about
同义词：loiter??/??lounge??/??footle??/??lollygag??/??loaf??/??lallygag??/??hang around??/??mess about??/??tarry??/??linger??/??lurk??/??mill about
move about in a confused manner
同义词：mill??/??mill about
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。